BLUEAIR Blue Pure 411 Auto, 411, 411+ Genuine Replacement Filter, Particle and Activated Carbon, fits Blue Pure 411 Auto, 411 and 411+ Air Purifiers

COMPATIBLE WITH ENTIRE BLUE PURE 411 AIR PURIFIER LINE: Blueair Combination Particle plus Carbon Replacement Filter compatible with entire Blue Pure 411 air purifier line consisting of Blue Pure 411 Auto, Blue Pure 411, Blue Pure 411 plus air purifiers FILTERS BUILT TO LAST: Using a 360-degree air intake and up to 4x the filter surface area the Genuine Blue Pure 411 Particle and Activated Carbon Filter lasts on average 6 months to a year; optimizing air flow and performance over time AUTOMATED FILTER REPLACEMENT: Subscribe and save up to 10% on auto-delivered filters when replacement is needed; We recommend replacing your filter about every 6 months when used 24 hours a day REMOVES EVEN TINIEST AIRBORNE PARTICLES DOWN TO 0.1 : Particle filter removes airborne particles such as pollen, pet dander and dirt from your indoor environment TRAPS HOUSEHOLD SMELLS: A layer of carbon mesh traps light household smells, smoke, synthetics, and volatile organic compounds (VOC) INDEPENDENTLY TESTED FOR PERFORMANCE and SAFETY, ZERO OZONE: AHAM Verifide for CADR; Ozone Safety Standards Certified by CARB; Zero Ozone Verified (<5 ppb) by Intertek Sustainability Program